Derricks/Masts TRIZ Cases

Articulated parallelogram lifting device moves telescopic antenna from transport to working position on drilling rig deck.

A drilling machine uses orthogonal proximal and distal joints with linear actuators to position the mast.

A drilling rig control system switches reference points to align the drill bit with target positions.

A self-propelled vehicle with a multi-axis lifting arm positions a pile driver at selected heights and radial orientations.

Encircling the columns with a pontoon reduces heave responses, enabling dry tree risers and lowering SCR fatigue.

Nesting hydraulic cylinders inside the substructure eliminates disassembly steps, reducing rig setup time while maintaining highway load compliance.

A flexible tubular shield dampens noise in rock drilling apparatuses by maintaining a continuous seal around moving drill components.

Sealed housing with lubricated linear sleeve bearings reduces frictional resistance from environmental contamination during drill rig relocation.

Segmented coupling legs distribute axial loads to resolve reliability issues in mobile drilling machines.

Continuous drill string rotation with variable angular velocity profiles maintains tool-face orientation during directional drilling operations.

Independent lifting jack assemblies rotate elongated rods via slew drives to position bearing pads for heavy rig alignment.

A pivotally attached trolley structure lifts blowout preventers using integrated hoists on drill rig box frames.

A motor-controlled rotational valve manages actuating fluid flow to steering pads, resolving precision and flexibility trade-offs in rotary steerable drilling.

A detachable cellar trailer houses wellhead equipment and provides structural support to the drill floor via an extending shear wall.

A bidirectional annular device controls radial shaft displacement via nested ball joints, resolving complexity and precision trade-offs in steerable drilling.

Hydraulic ball actuators pivot the drill bit shaft for precise steering, reducing wear and resisting pressure variations in deviated wellbores.

Intermediate leader distributes moments between nested sections, increasing flexural rigidity without adding weight.

Segmented rotation units on a mining boom enable precise positioning by isolating play from deformation, allowing independent adjustment of each axis.

A walking machine steering mechanism rotates lifting assemblies via hydraulic actuators and multi-linkage systems to orient heavy loads.

An electric rotary machine converts mechanical rotation into stored electrical power during the descent of a drilling kelly bar.

Dynamic track spacing adjusts the support base to maintain stability during long-stroke drilling operations.

Rotational sensors detect angular velocity to adjust motor power, eliminating reactionary torque during joint tightening.

Cable tension rotates mast leg supports via pulleys, reducing setup time by eliminating complex disassembly tasks.

Hydraulic cylinders raise a pivotably coupled mast and drill floor to clear existing wellheads during rig transport.

A camera provides visual confirmation of debris clearance, eliminating multiple verification trips.

Guide rails and trolley assemblies decouple rotary torque from hydraulic jacking cylinders, preventing damage and enabling full jack stroke utilization.

Sealed linear sleeve bearings protect components from environmental contamination while enabling smooth horizontal drill rig movement.

Segmented components and pivoting legs isolate vertical loads, allowing high drill floor heights while avoiding large crane requirements.

A spring-loaded piston protrudes a display bar when gas pressure drops below a threshold in hydraulic accumulators.

Movement damping plates with vortex inducing holes generate hydrodynamic drag to resist structural motions in marine platforms.

An enclosed dust collector system captures airborne particles during oilfield material handling operations.

A transportable drilling rig elevates its drill floor using the traveling block and drawworks cables anchored to base towers.

Buoyant platform components maintain stable drilling surfaces on marshy terrain, extending operational seasons beyond frozen ground constraints.

Sensors detect spatial orientation to automate positioning, eliminating manual adjustments and operator fatigue during shipping.

A horizontal wireline core drilling rig uses a pipe-feeding mechanism to manage steel-pipe strings.

A telescopic mast with a main load carrying member distributes compression forces symmetrically along the longitudinal axis.

Moving the GPS receiver unit closer to the ground reduces position determination errors caused by mast deflections and bearing play.

A portable mast assembly supports power swivels and cranes to cut and lift heavy tubular casing sections.

Hydraulic stomper pads lift and slide the base to relocate managed pressure drilling equipment without cranes, cutting setup time from 36 hours to one hour.

Stompers on a transport platform move workover rigs while guide wires stabilize the assembly, eliminating setup and teardown time.

Gravity-fed modular silos eliminate dust and reduce equipment footprint by replacing pneumatic blowers with vertical conveyors.

A drill rod integrates slitting, sealing, and fracturing functions to enhance gas drainage efficiency in deep coal seams.

A lifting jack assembly uses a rotatable hydraulic cylinder to orient the foot plate and roller assembly for precise directional control.

Electric motor in bent section rotates drill bit to minimize tortuosity and reduce mechanical stress on the orienter.

Helical girder and tensioned straps secure stacked well cellar segments, enabling manual installation without heavy machinery.

Three sequential wrist joints allow the feed beam to reach confined tunnel positions without excessive structural complexity.

A smart skidding system moves a drilling rig floor along transverse and longitudinal rails using an AC motor-driven gear box assembly.

Pressure chambers in the housing deflect the driveshaft via bearings, eliminating elastic rotational deformation uncertainty.